Household sponge



FIG. 1 is a top view of the household sponge design of the presentinvention;

FIG. 2 is a side elevational view of the household sponge design of thepresent invention;

FIG. 3 is a left end view of the household sponge design of the presentinvention;

FIG. 4 is a right end view of the household sponge design of the presentinvention;

FIG. 5 is a bottom view of the household sponge design of the presentinvention; and,

FIG. 6 is a perspective view of the household sponge design of thepresent invention.

The ornamental design for a household sponge, as shown and described.